Preparation of barium hexaferrite coatings using atmospheric plasma spraying

Darja Lisjak (Corresponding Author), Kirsten Bobzin, Katharina Richardt, Marion Bégard, Giovanni Bolelli, Luca Lusvarghi, Arto Hujanen, Pertti Lintunen, Massimo Pasquale, Elena Olivetti, Miha Drofenik, Thomas Schläfer

    Research output: Contribution to journalArticleScientificpeer-review

    28 Citations (Scopus)

    Abstract

    Thick coatings of barium hexaferrite with the compositions BaFe12O19 and BaCoTiFe10O19 were prepared using atmospheric plasma spraying (APS) technology. The coatings were prepared from pre-reacted powders of the desired composition. The as-deposited coatings were poorly crystallized, but their crystallinity was improved with a subsequent annealing. The crystallization mechanism of the sprayed hexaferrites was studied during annealing up to 1300 °C, using X-ray powder diffraction combined with thermal analysis and with electron microscopy including microanalysis. Single-phase coatings were obtained after annealing treatments at 1100–1300 °C. Their magnetic properties showed that they would be suitable for absorbers at microwave and mm-wave frequencies, depending on the coating phase's composition, the crystallinity and the thicknesses.
    Original languageEnglish
    Pages (from-to)2333-2341
    Number of pages9
    JournalJournal of the European Ceramic Society
    Volume29
    Issue number11
    DOIs
    Publication statusPublished - 2009
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Plasma spraying
    Barium
    Coatings
    Annealing
    Microanalysis
    Crystallization
    Chemical analysis
    Phase composition
    Powders
    X ray powder diffraction
    Thermoanalysis
    Electron microscopy
    Magnetic properties
    Microwaves
    barium hexaferrite

    Keywords

    • Ferrites
    • thermal spraying
    • solid-state reaction
    • magnetic properties
    • dielectric properties

    Cite this

    Lisjak, D., Bobzin, K., Richardt, K., Bégard, M., Bolelli, G., Lusvarghi, L., ... Schläfer, T. (2009). Preparation of barium hexaferrite coatings using atmospheric plasma spraying. Journal of the European Ceramic Society, 29(11), 2333-2341. https://doi.org/10.1016/j.jeurceramsoc.2009.01.028
    Lisjak, Darja ; Bobzin, Kirsten ; Richardt, Katharina ; Bégard, Marion ; Bolelli, Giovanni ; Lusvarghi, Luca ; Hujanen, Arto ; Lintunen, Pertti ; Pasquale, Massimo ; Olivetti, Elena ; Drofenik, Miha ; Schläfer, Thomas. / Preparation of barium hexaferrite coatings using atmospheric plasma spraying. In: Journal of the European Ceramic Society. 2009 ; Vol. 29, No. 11. pp. 2333-2341.
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    title = "Preparation of barium hexaferrite coatings using atmospheric plasma spraying",
    abstract = "Thick coatings of barium hexaferrite with the compositions BaFe12O19 and BaCoTiFe10O19 were prepared using atmospheric plasma spraying (APS) technology. The coatings were prepared from pre-reacted powders of the desired composition. The as-deposited coatings were poorly crystallized, but their crystallinity was improved with a subsequent annealing. The crystallization mechanism of the sprayed hexaferrites was studied during annealing up to 1300 °C, using X-ray powder diffraction combined with thermal analysis and with electron microscopy including microanalysis. Single-phase coatings were obtained after annealing treatments at 1100–1300 °C. Their magnetic properties showed that they would be suitable for absorbers at microwave and mm-wave frequencies, depending on the coating phase's composition, the crystallinity and the thicknesses.",
    keywords = "Ferrites, thermal spraying, solid-state reaction, magnetic properties, dielectric properties",
    author = "Darja Lisjak and Kirsten Bobzin and Katharina Richardt and Marion B{\'e}gard and Giovanni Bolelli and Luca Lusvarghi and Arto Hujanen and Pertti Lintunen and Massimo Pasquale and Elena Olivetti and Miha Drofenik and Thomas Schl{\"a}fer",
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    language = "English",
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    pages = "2333--2341",
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    Lisjak, D, Bobzin, K, Richardt, K, Bégard, M, Bolelli, G, Lusvarghi, L, Hujanen, A, Lintunen, P, Pasquale, M, Olivetti, E, Drofenik, M & Schläfer, T 2009, 'Preparation of barium hexaferrite coatings using atmospheric plasma spraying', Journal of the European Ceramic Society, vol. 29, no. 11, pp. 2333-2341. https://doi.org/10.1016/j.jeurceramsoc.2009.01.028

    Preparation of barium hexaferrite coatings using atmospheric plasma spraying. / Lisjak, Darja (Corresponding Author); Bobzin, Kirsten; Richardt, Katharina; Bégard, Marion; Bolelli, Giovanni; Lusvarghi, Luca; Hujanen, Arto; Lintunen, Pertti; Pasquale, Massimo; Olivetti, Elena; Drofenik, Miha; Schläfer, Thomas.

    In: Journal of the European Ceramic Society, Vol. 29, No. 11, 2009, p. 2333-2341.

    Research output: Contribution to journalArticleScientificpeer-review

    TY - JOUR

    T1 - Preparation of barium hexaferrite coatings using atmospheric plasma spraying

    AU - Lisjak, Darja

    AU - Bobzin, Kirsten

    AU - Richardt, Katharina

    AU - Bégard, Marion

    AU - Bolelli, Giovanni

    AU - Lusvarghi, Luca

    AU - Hujanen, Arto

    AU - Lintunen, Pertti

    AU - Pasquale, Massimo

    AU - Olivetti, Elena

    AU - Drofenik, Miha

    AU - Schläfer, Thomas

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    AB - Thick coatings of barium hexaferrite with the compositions BaFe12O19 and BaCoTiFe10O19 were prepared using atmospheric plasma spraying (APS) technology. The coatings were prepared from pre-reacted powders of the desired composition. The as-deposited coatings were poorly crystallized, but their crystallinity was improved with a subsequent annealing. The crystallization mechanism of the sprayed hexaferrites was studied during annealing up to 1300 °C, using X-ray powder diffraction combined with thermal analysis and with electron microscopy including microanalysis. Single-phase coatings were obtained after annealing treatments at 1100–1300 °C. Their magnetic properties showed that they would be suitable for absorbers at microwave and mm-wave frequencies, depending on the coating phase's composition, the crystallinity and the thicknesses.

    KW - Ferrites

    KW - thermal spraying

    KW - solid-state reaction

    KW - magnetic properties

    KW - dielectric properties

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    ER -